Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.381929E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T04:54:56+0800
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    1 Object 1

    AOE ID 31813
    NORAD ID 31813
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 64753
    NORAD ID 64753
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SHIYAN 28B-01(SY-28B 01)
    Time of Closest Approach 2026-10-18T03:21:50+0000
    Collision Probability (Pc) 1.381929E-6
    Conjunction Distance (km) 2.699 km
    Relative Speed (km/s) 12.204 km/s
    Conjunction Risk Parameters R (Radial): -0.068 | I (In-track): 1.547 | C (Cross-track): -2.209
    Collision Risk Index (CRI) 0.38
    X Position (km) 4416.097 4414.487
    Position Y (km) 5638.831 5639.899
    Position Z (km) 317.214 319.097
    Velocity X (km/s) 0.709 -5.736
    Velocity Y (km/s) -1.069 4.566
    Velocity Z (km/s) 7.312 -1.385

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SHIYAN 28B-01(SY-28B 01)
    Semimajor Axis (a) 7100.595 km 7172.070 km
    Eccentricity (e) 0.013508 0.000367
    Inclination (i) 99.4337° 10.9986°
    RAAN 50.0367° 255.8644°
    Perigee Argument 142.9662° 243.2855°
    Mean Anomaly (M) 218.0947° 116.6997°
    Apogee 818.377 km 796.566 km
    Perigee 626.539 km 791.300 km
    Orbit Epoch 2026-10-16T01:42:06+0000 2026-10-16T12:03:53+0000

    FENGYUN 1C DEB & SHIYAN 28B-01(SY-28B 01) Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SHIYAN 28B-01(SY-28B 01) Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SHIYAN 28B-01(SY-28B 01) Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SHIYAN 28B-01(SY-28B 01) Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 28B-01(SY-28B 01)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 28B-01(SY-28B 01)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data